DE69129834T2 - Datenaufzeichnungs- und Wiedergabevorrichtung - Google Patents
Datenaufzeichnungs- und WiedergabevorrichtungInfo
- Publication number
- DE69129834T2 DE69129834T2 DE69129834T DE69129834T DE69129834T2 DE 69129834 T2 DE69129834 T2 DE 69129834T2 DE 69129834 T DE69129834 T DE 69129834T DE 69129834 T DE69129834 T DE 69129834T DE 69129834 T2 DE69129834 T2 DE 69129834T2
- Authority
- DE
- Germany
- Prior art keywords
- clock
- information
- recording
- reading
- generation circuit
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
- G11B20/10—Digital recording or reproducing
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
- G11B20/10—Digital recording or reproducing
- G11B20/14—Digital recording or reproducing using self-clocking codes
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B11/00—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor
- G11B11/10—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor using recording by magnetic means or other means for magnetisation or demagnetisation of a record carrier, e.g. light induced spin magnetisation; Demagnetisation by thermal or stress means in the presence or not of an orienting magnetic field
- G11B11/105—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor using recording by magnetic means or other means for magnetisation or demagnetisation of a record carrier, e.g. light induced spin magnetisation; Demagnetisation by thermal or stress means in the presence or not of an orienting magnetic field using a beam of light or a magnetic field for recording by change of magnetisation and a beam of light for reproducing, i.e. magneto-optical, e.g. light-induced thermomagnetic recording, spin magnetisation recording, Kerr or Faraday effect reproducing
- G11B11/10502—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor using recording by magnetic means or other means for magnetisation or demagnetisation of a record carrier, e.g. light induced spin magnetisation; Demagnetisation by thermal or stress means in the presence or not of an orienting magnetic field using a beam of light or a magnetic field for recording by change of magnetisation and a beam of light for reproducing, i.e. magneto-optical, e.g. light-induced thermomagnetic recording, spin magnetisation recording, Kerr or Faraday effect reproducing characterised by the transducing operation to be executed
- G11B11/10504—Recording
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B11/00—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor
- G11B11/10—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor using recording by magnetic means or other means for magnetisation or demagnetisation of a record carrier, e.g. light induced spin magnetisation; Demagnetisation by thermal or stress means in the presence or not of an orienting magnetic field
- G11B11/105—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor using recording by magnetic means or other means for magnetisation or demagnetisation of a record carrier, e.g. light induced spin magnetisation; Demagnetisation by thermal or stress means in the presence or not of an orienting magnetic field using a beam of light or a magnetic field for recording by change of magnetisation and a beam of light for reproducing, i.e. magneto-optical, e.g. light-induced thermomagnetic recording, spin magnetisation recording, Kerr or Faraday effect reproducing
- G11B11/10502—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor using recording by magnetic means or other means for magnetisation or demagnetisation of a record carrier, e.g. light induced spin magnetisation; Demagnetisation by thermal or stress means in the presence or not of an orienting magnetic field using a beam of light or a magnetic field for recording by change of magnetisation and a beam of light for reproducing, i.e. magneto-optical, e.g. light-induced thermomagnetic recording, spin magnetisation recording, Kerr or Faraday effect reproducing characterised by the transducing operation to be executed
- G11B11/10515—Reproducing
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B11/00—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor
- G11B11/10—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor using recording by magnetic means or other means for magnetisation or demagnetisation of a record carrier, e.g. light induced spin magnetisation; Demagnetisation by thermal or stress means in the presence or not of an orienting magnetic field
- G11B11/105—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor using recording by magnetic means or other means for magnetisation or demagnetisation of a record carrier, e.g. light induced spin magnetisation; Demagnetisation by thermal or stress means in the presence or not of an orienting magnetic field using a beam of light or a magnetic field for recording by change of magnetisation and a beam of light for reproducing, i.e. magneto-optical, e.g. light-induced thermomagnetic recording, spin magnetisation recording, Kerr or Faraday effect reproducing
- G11B11/1055—Disposition or mounting of transducers relative to record carriers
- G11B11/10556—Disposition or mounting of transducers relative to record carriers with provision for moving or switching or masking the transducers in or out of their operative position
- G11B11/10563—Access of indexed parts
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B19/00—Driving, starting, stopping record carriers not specifically of filamentary or web form, or of supports therefor; Control thereof; Control of operating function ; Driving both disc and head
- G11B19/02—Control of operating function, e.g. switching from recording to reproducing
- G11B19/12—Control of operating function, e.g. switching from recording to reproducing by sensing distinguishing features of or on records, e.g. diameter end mark
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B19/00—Driving, starting, stopping record carriers not specifically of filamentary or web form, or of supports therefor; Control thereof; Control of operating function ; Driving both disc and head
- G11B19/20—Driving; Starting; Stopping; Control thereof
- G11B19/24—Arrangements for providing constant relative speed between record carrier and head
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
- G11B20/10—Digital recording or reproducing
- G11B20/14—Digital recording or reproducing using self-clocking codes
- G11B20/1403—Digital recording or reproducing using self-clocking codes characterised by the use of two levels
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B21/00—Head arrangements not specific to the method of recording or reproducing
- G11B21/02—Driving or moving of heads
- G11B21/08—Track changing or selecting during transducing operation
- G11B21/081—Access to indexed tracks or parts of continuous track
- G11B21/083—Access to indexed tracks or parts of continuous track on discs
- G11B21/085—Access to indexed tracks or parts of continuous track on discs with track following of accessed part
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
- G11B27/10—Indexing; Addressing; Timing or synchronising; Measuring tape travel
- G11B27/19—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier
- G11B27/28—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier by using information signals recorded by the same method as the main recording
- G11B27/32—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier by using information signals recorded by the same method as the main recording on separate auxiliary tracks of the same or an auxiliary record carrier
- G11B27/327—Table of contents
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
- G11B7/004—Recording, reproducing or erasing methods; Read, write or erase circuits therefor
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
- G11B7/08—Disposition or mounting of heads or light sources relatively to record carriers
- G11B7/085—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam into, or out of, its operative position or across tracks, otherwise than during the transducing operation, e.g. for adjustment or preliminary positioning or track change or selection
- G11B7/08505—Methods for track change, selection or preliminary positioning by moving the head
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
- G11B20/10—Digital recording or reproducing
- G11B2020/1087—Digital recording or reproducing wherein a selection is made among at least two alternative ways of processing
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
- G11B20/10—Digital recording or reproducing
- G11B2020/1087—Digital recording or reproducing wherein a selection is made among at least two alternative ways of processing
- G11B2020/10888—Digital recording or reproducing wherein a selection is made among at least two alternative ways of processing the kind of data being the selection criterion
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B2220/00—Record carriers by type
- G11B2220/20—Disc-shaped record carriers
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B2220/00—Record carriers by type
- G11B2220/20—Disc-shaped record carriers
- G11B2220/25—Disc-shaped record carriers characterised in that the disc is based on a specific recording technology
- G11B2220/2525—Magneto-optical [MO] discs
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Signal Processing For Digital Recording And Reproducing (AREA)
- Optical Recording Or Reproduction (AREA)
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2305486A JP3032568B2 (ja) | 1990-11-09 | 1990-11-09 | 情報記録装置 |
JP305486/90 | 1990-11-09 | ||
JP402487/90 | 1990-12-14 | ||
JP2402487A JP2585467B2 (ja) | 1990-12-14 | 1990-12-14 | 再生データ処理装置 |
Publications (3)
Publication Number | Publication Date |
---|---|
DE69129834D1 DE69129834D1 (de) | 1998-08-27 |
DE69129834T2 true DE69129834T2 (de) | 1999-02-18 |
DE69129834T3 DE69129834T3 (de) | 2005-11-17 |
Family
ID=26564318
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69129834T Expired - Lifetime DE69129834T3 (de) | 1990-11-09 | 1991-11-08 | Datenaufzeichnungs- und Wiedergabevorrichtung |
Country Status (5)
Country | Link |
---|---|
US (1) | US5315571A (de) |
EP (1) | EP0485234B2 (de) |
KR (1) | KR970007665B1 (de) |
CA (1) | CA2054880C (de) |
DE (1) | DE69129834T3 (de) |
Families Citing this family (42)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0465053B1 (de) * | 1990-06-29 | 2002-08-28 | Sony Corporation | Plattenauszeichnungs-/Wiedergabegerät |
EP0559104B1 (de) * | 1992-02-29 | 1998-05-20 | Sony Corporation | Vorrichtung zur Aufzeichnung auf einer optischen Platte |
US5528574A (en) * | 1992-03-09 | 1996-06-18 | Hitachi, Ltd. | Disk reproducing apparatus capable of increasing speed of access to disks recorded at constant linear velocity |
JP3230319B2 (ja) * | 1992-07-09 | 2001-11-19 | ソニー株式会社 | 音響再生装置 |
JP2849006B2 (ja) * | 1992-10-12 | 1999-01-20 | シャープ株式会社 | 情報再生装置 |
JPH06162670A (ja) * | 1992-11-26 | 1994-06-10 | Sony Corp | ディスク記録再生方式 |
US5369533A (en) * | 1992-12-30 | 1994-11-29 | International Business Machines Corporation | Data storage device having different storage densities for differing types of data |
JP3427410B2 (ja) * | 1993-02-24 | 2003-07-14 | ソニー株式会社 | 光ディスク記録装置および光ディスク再生装置 |
US5592446A (en) * | 1993-06-14 | 1997-01-07 | Sony Corporation | Dual mode recording and reproducing apparatus having two recording regions using differing reproduction principles |
JP3059860B2 (ja) * | 1993-07-07 | 2000-07-04 | 三洋電機株式会社 | ディスクプレーヤ |
EP0638900B1 (de) * | 1993-08-14 | 2001-01-31 | Kabushiki Kaisha Toshiba | Wiedergabegerät und Signalverarbeitungskreis für Daten, die auf einer Platte aufgezeichnet sind |
JP4005150B2 (ja) * | 1994-04-28 | 2007-11-07 | ソニー株式会社 | デイスク装置 |
US5729515A (en) * | 1994-05-26 | 1998-03-17 | Kabushiki Kaisha Toshiba | Disc data reproducing apparatus and signal processing circuit for reproducing and processing disc data having a plurality of type data |
TW272280B (de) * | 1994-08-08 | 1996-03-11 | Hitachi Seisakusyo Kk | |
US5691967A (en) * | 1994-09-20 | 1997-11-25 | Sony Corporation | Recording or reproducing apparatus having a spindle servo control runaway prevent feature |
EP0806040A1 (de) * | 1994-12-09 | 1997-11-12 | Seagate Technology, Inc. | Vorrichtung und verfahren zur steuerung der frequenz mit welcher daten in einemplattenlaufwerksystem geschrieben werden |
US5583841A (en) * | 1995-01-17 | 1996-12-10 | Discovision Associates | Apparatus for improved search on information storage member rotating at constant linear velocity |
JP3591028B2 (ja) * | 1995-01-25 | 2004-11-17 | ソニー株式会社 | 再生装置、再生方法 |
US5978329A (en) | 1995-06-07 | 1999-11-02 | Discovision Associates | Technique for closed loop servo operation in optical disc tracking control |
EP0758125B1 (de) * | 1995-08-09 | 2002-01-23 | Sony Corporation | Aufzeichnungsmedium, Aufzeichnungsgerät und Wiedergabegerät |
JP3674092B2 (ja) * | 1995-08-09 | 2005-07-20 | ソニー株式会社 | 再生装置 |
KR100484396B1 (ko) * | 1995-11-02 | 2005-08-10 | 소니 가부시끼 가이샤 | 디스크기록방법,디스크재생장치및디스크형기록매체 |
EP0777218B1 (de) | 1995-12-06 | 2001-05-16 | Discovision Associates | Gerät und Verfahren zum Regeln der Fokussierung |
US5689485A (en) | 1996-04-01 | 1997-11-18 | Discovision Associates | Tracking control apparatus and method |
JPH1064244A (ja) * | 1996-08-23 | 1998-03-06 | Sony Corp | 記録媒体、再生装置 |
US5808990A (en) * | 1996-12-17 | 1998-09-15 | Cinram, Inc. | Method and apparatus for controlling the linear velocity between an optical head and a rotation disk |
JP3631586B2 (ja) * | 1997-04-05 | 2005-03-23 | 株式会社リコー | ライトパルス幅補正回路、書き込み信号処理装置、及び光ディスクドライブ |
JPH10334616A (ja) * | 1997-05-30 | 1998-12-18 | Sony Corp | 光ディスク装置およびデータ記録方法 |
US7701836B2 (en) | 2001-11-27 | 2010-04-20 | Hewlett-Packard Development Company, L.P. | Re-writable optical disk having reference clock information permanently formed on the disk |
US6046968A (en) * | 1997-07-24 | 2000-04-04 | Hewlett-Packard Company | Re-writable optical disk having reference clock information permanently formed on the disk |
JP4078696B2 (ja) * | 1997-11-28 | 2008-04-23 | 松下電器産業株式会社 | 記録許可判定装置及び情報記録装置 |
JPH11195270A (ja) * | 1997-12-26 | 1999-07-21 | Toshiba Corp | 光ディスク装置 |
JP3163064B2 (ja) | 1998-07-22 | 2001-05-08 | 三洋電機株式会社 | ディスク記録装置 |
KR100313831B1 (ko) * | 1999-06-29 | 2001-11-15 | 구자홍 | 광 디스크의 데이터 고속 억세스장치 및 억세스방법 |
JP3877479B2 (ja) * | 1999-11-29 | 2007-02-07 | 三洋電機株式会社 | ディスク記録装置 |
TW467370U (en) * | 1999-12-07 | 2001-12-01 | Via Tech Inc | Reference clock generation circuit of the disk data pre-recording region |
KR100809973B1 (ko) | 2000-07-07 | 2008-03-07 | 코닌클리케 필립스 일렉트로닉스 엔.브이. | 기록매체, 재생장치 및 기록매체와 재생장치를 구비한정보 시스템 |
JP2002165148A (ja) * | 2000-11-29 | 2002-06-07 | Sony Corp | データ処理装置および方法、並びに記録媒体 |
US7406548B2 (en) * | 2004-03-26 | 2008-07-29 | Hewlett-Packard Development Company, L.P. | Systems and methods for responding to a data transfer |
US20050248663A1 (en) * | 2004-05-05 | 2005-11-10 | James Owens | Systems and methods for responding to a data transfer |
US7355939B2 (en) * | 2006-08-11 | 2008-04-08 | Mediatek Inc. | System and method for switching control modes of spindle motor |
US8879185B1 (en) * | 2010-11-03 | 2014-11-04 | Marvell International Ltd. | Disk synchronous write architecture for bit-patterned recording |
Family Cites Families (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL187413C (nl) † | 1978-03-16 | 1991-09-16 | Philips Nv | Registratiedragerlichaam, ingeschreven registratiedrager, werkwijze voor het inschrijven van het registratiedragerlichaam en inrichting voor het uitvoeren van de werkwijze en voor het uitlezen van een ingeschreven registratiedrager. |
NL8000121A (nl) † | 1980-01-09 | 1981-08-03 | Philips Nv | Schijfvormige, optische uitleesbare registratiedrager als opslagmedium voor datainformatie, inrichting voor het vervaardigen van zo'n registratiedrager, inrichting voor het optekenen van datainformatie in zo'n registratiedrager en inrichting voor het uitlezen van zo'n registratiedrager. |
JPS5764371A (en) * | 1980-09-30 | 1982-04-19 | Toshiba Corp | Rotation control system of disk recording medium |
NL8102621A (nl) † | 1981-05-29 | 1982-12-16 | Philips Nv | Inrichting voor het beschrijven en/of uitlezen van een registratiedrager. |
DE3337474A1 (de) * | 1982-10-15 | 1984-04-19 | Pioneer Electronic Corp., Tokyo | Plattenantriebssteuervorrichtung |
JPH0828054B2 (ja) * | 1983-11-30 | 1996-03-21 | ソニー株式会社 | デイスク状記録媒体 |
EP0166785B1 (de) * | 1983-12-16 | 1992-03-04 | Sony Corporation | Vorrichtung für platten-wiedergabe |
JPS6171472A (ja) * | 1984-09-14 | 1986-04-12 | Pioneer Electronic Corp | 記録デイスク演奏装置 |
EP0228646A3 (en) * | 1985-12-20 | 1987-10-14 | Hitachi, Ltd. | A signal processing apparatus for disc memory devices |
US4819218A (en) † | 1986-12-19 | 1989-04-04 | Eastman Kodak Company | Quasi-constant linear-velocity disk having corresponding radii of adjacent annular zones related by a rational number for distributing prerecorded indicia to form a coherent write clock signal |
US4949325A (en) † | 1987-03-18 | 1990-08-14 | Hitachi, Ltd. | Method and associated apparatus and medium for optical recording and reproducing information |
US4811317A (en) † | 1987-06-25 | 1989-03-07 | Eastman Kodak Company | Clock resynchronization after a track jump |
NL8701632A (nl) * | 1987-07-10 | 1989-02-01 | Philips Nv | Systeem voor het optekenen en/of uitlezen van een informatiesignaal, een registratiedrager, een opteken en/of uitleesinrichting voor toepassing in een dergelijk systeem, en een inrichting en werkwijze voor het vervaardigen van een dergelijke registratiedrager. |
NL8702904A (nl) † | 1987-12-03 | 1989-07-03 | Philips Nv | Werkwijze en inrichting voor het optekenen van informatie op een registratiedrager, alsmede een inrichting voor het lezen van de opgetekende informatie. |
CA2022192C (en) * | 1989-08-04 | 1995-03-21 | Shigemi Maeda | Optical disk recording/reproducing device |
US5182741A (en) * | 1989-08-25 | 1993-01-26 | Sharp Kabushiki Kaisha | Optical disk recording/reproducing device utilizing a constant angular velocity method with a constant linear velocity formatted optical disk |
-
1991
- 1991-11-04 CA CA002054880A patent/CA2054880C/en not_active Expired - Lifetime
- 1991-11-08 EP EP91310364A patent/EP0485234B2/de not_active Expired - Lifetime
- 1991-11-08 KR KR1019910019870A patent/KR970007665B1/ko not_active IP Right Cessation
- 1991-11-08 DE DE69129834T patent/DE69129834T3/de not_active Expired - Lifetime
-
1993
- 1993-07-29 US US08/100,077 patent/US5315571A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
EP0485234A2 (de) | 1992-05-13 |
DE69129834T3 (de) | 2005-11-17 |
EP0485234B2 (de) | 2005-03-02 |
KR970007665B1 (ko) | 1997-05-15 |
US5315571A (en) | 1994-05-24 |
CA2054880A1 (en) | 1992-05-10 |
EP0485234A3 (en) | 1993-03-17 |
DE69129834D1 (de) | 1998-08-27 |
KR920010553A (ko) | 1992-06-26 |
EP0485234B1 (de) | 1998-07-22 |
CA2054880C (en) | 1997-07-08 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
DE69129834T2 (de) | Datenaufzeichnungs- und Wiedergabevorrichtung | |
MY112958A (en) | Decoder/encoder capable of controlling data reading/ writing operations to memory in response to first/second clocks, reproducing apparatus equipped with encoder/ recoder, and recording apparatus equipped with encoder | |
MY106194A (en) | Optical disk reproducing apparatus. | |
DE69014663D1 (de) | Optisches Scheibeaufzeichnungssystem. | |
ES2191740T3 (es) | Grabacion y reproduccion de subtitulos. | |
DE69133091T2 (de) | Plattenauszeichnungs-/Wiedergabegerät | |
DE69219400T2 (de) | Plattengerät | |
RU92004307A (ru) | Дисковое устройство воспроизведения информации | |
KR920005265B1 (ko) | 기록 캐리어의 정보 재생장치 | |
US5621712A (en) | Reproducing system for an optical recording medium having improved response to a high speed scanning instruction | |
KR910001209B1 (ko) | 동기기록회로 | |
DE69515343D1 (de) | Aufnahme und Wiedergabe eines Trick-Videosignals | |
KR960005591A (ko) | 컴팩트 디스크 플레이어의 예약프로그램의 재생방법 및 이에 적합한 장치 | |
ATE78118T1 (de) | Geraet zum konvertieren von markierungsinformationen. | |
KR960008790A (ko) | 디스크재생장치 | |
JP3061678B2 (ja) | ディスク記録再生装置 | |
KR940010021A (ko) | 자기기록장치 및 재생 장치 | |
KR910005274A (ko) | 디스크 플레이어 및 디지탈 오디오 신호의 피크 검출 방법 | |
KR930014481A (ko) | 자기기록 재생 장치 | |
JP2630928B2 (ja) | ディスク再生装置 | |
KR970067271A (ko) | 디지탈 비디오 테이프 레코더의 데이타 시간축 보정 장치 | |
JPS6377280A (ja) | 静止画記録再生装置における初期設定方式 | |
KR880003315A (ko) | 자기 기록 재생 장치 | |
KR970050500A (ko) | 광디스크 채인저/브이 씨 알 복합 시스템의 녹화 방법 | |
KR910010402A (ko) | 자기기록장치 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
8363 | Opposition against the patent | ||
8366 | Restricted maintained after opposition proceedings |